Home / 78,878,536.70-118,314,255.15-52,981,749.14

Finding the Fourth Proportional to 78,878,536.70, 118,314,255.15 and 52,981,749.14

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Solution

The fourth proportional to 78,878,536.70, 118,314,255.15 and 52,981,749.14 is: 79,470,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,878,536.70 : 118,314,255.15 = 52,981,749.14 : x
  2. Step 2: Convert to fraction form
    78,878,536.70/118,314,255.15 = 52,981,749.14/x
  3. Step 3: Cross multiply
    78,878,536.70x = 118,314,255.15 × 52,981,749.14
  4. Step 4: Simplify right side
    78,878,536.70x = 6,268,496,185,451,682
  5. Step 5: Solve for x
    x = 6,268,496,185,451,682/78,878,536.70
  6. Step 6: Final answer
    x = 79,470,239.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.